Add noexcept specifiers.

34 files changed, 40 insertions, 40 deletions

diff --git a/document/src/vespa/document/annotation/alternatespanlist.h b/document/src/vespa/document/annotation/alternatespanlist.h
index 92c58135431..f21cafedb41 100644
--- a/document/src/vespa/document/annotation/alternatespanlist.h
+++ b/document/src/vespa/document/annotation/alternatespanlist.h
@@ -12,7 +12,7 @@ class AlternateSpanList : public SpanNode {
     struct Subtree {
         SpanList *span_list;
         double probability;
-        Subtree() : span_list(0), probability(0.0) {}
+        Subtree() noexcept : span_list(0), probability(0.0) {}
     };
     std::vector<Subtree> _subtrees;
 
diff --git a/document/src/vespa/document/annotation/annotation.h b/document/src/vespa/document/annotation/annotation.h
index 4acd4d2f045..46e5a1a5d41 100644
--- a/document/src/vespa/document/annotation/annotation.h
+++ b/document/src/vespa/document/annotation/annotation.h
@@ -22,7 +22,7 @@ public:
         : _type(&type), _node(nullptr), _value(value.release()) {}
 
     Annotation(const AnnotationType &annotation) : _type(&annotation), _node(nullptr), _value(nullptr) { }
-    Annotation() : _type(nullptr), _node(nullptr), _value(nullptr) { }
+    Annotation() noexcept : _type(nullptr), _node(nullptr), _value(nullptr) { }
     ~Annotation();
 
     void setType(const AnnotationType * v) { _type = v; }
diff --git a/document/src/vespa/document/annotation/span.h b/document/src/vespa/document/annotation/span.h
index ab6f61843d1..5f3a78bf98c 100644
--- a/document/src/vespa/document/annotation/span.h
+++ b/document/src/vespa/document/annotation/span.h
@@ -14,7 +14,7 @@ class Span : public SpanNode {
 public:
     typedef std::unique_ptr<Span> UP;
 
-    Span(int32_t from_pos=0, int32_t len=0) : _from(from_pos), _length(len) {}
+    Span(int32_t from_pos=0, int32_t len=0) noexcept : _from(from_pos), _length(len) {}
 
     int32_t from() const { return _from; }
     int32_t length() const { return _length; }
diff --git a/document/src/vespa/document/select/resultset.h b/document/src/vespa/document/select/resultset.h
index ef5133807a7..1289f61046c 100644
--- a/document/src/vespa/document/select/resultset.h
+++ b/document/src/vespa/document/select/resultset.h
@@ -20,7 +20,7 @@ class ResultSet
     static std::vector<ResultSet> _ors;
     static std::vector<ResultSet> _nots;
 public:
-    ResultSet() : _val(0u) { }
+    ResultSet() noexcept : _val(0u) { }
 
     static uint32_t enumToMask(uint32_t rhs) {
         return 1u << rhs;
diff --git a/documentapi/src/vespa/documentapi/messagebus/policies/loadbalancer.h b/documentapi/src/vespa/documentapi/messagebus/policies/loadbalancer.h
index 19975bd9465..6627fc57ef2 100644
--- a/documentapi/src/vespa/documentapi/messagebus/policies/loadbalancer.h
+++ b/documentapi/src/vespa/documentapi/messagebus/policies/loadbalancer.h
@@ -10,7 +10,7 @@ class LoadBalancer {
 public:
     class NodeInfo {
     public:
-        NodeInfo() : valid(false), sent(0), busy(0), weight(1.0) {};
+        NodeInfo() noexcept : valid(false), sent(0), busy(0), weight(1.0) {};
 
         bool valid;
         uint32_t sent;
diff --git a/eval/src/tests/ann/for-sift-hit.h b/eval/src/tests/ann/for-sift-hit.h
index 0c920fe8109..4002dff84ee 100644
--- a/eval/src/tests/ann/for-sift-hit.h
+++ b/eval/src/tests/ann/for-sift-hit.h
@@ -5,6 +5,6 @@
 struct Hit {
     uint32_t docid;
     double distance;
-    Hit() : docid(0u), distance(0.0) {}
+    Hit() noexcept : docid(0u), distance(0.0) {}
     Hit(int id, double dist) : docid(id), distance(dist) {}
 };
diff --git a/eval/src/tests/ann/xp-lsh-nns.cpp b/eval/src/tests/ann/xp-lsh-nns.cpp
index bdc61a39610..1557da0b84c 100644
--- a/eval/src/tests/ann/xp-lsh-nns.cpp
+++ b/eval/src/tests/ann/xp-lsh-nns.cpp
@@ -130,7 +130,7 @@ struct LshHit {
     double distance;
     uint32_t docid;
     int hash_distance;
-    LshHit() : distance(0.0), docid(0u), hash_distance(0) {}
+    LshHit() noexcept : distance(0.0), docid(0u), hash_distance(0) {}
     LshHit(int id, double dist, int hd = 0)
         : distance(dist), docid(id), hash_distance(hd) {}
 };
diff --git a/eval/src/vespa/eval/eval/aggr.h b/eval/src/vespa/eval/eval/aggr.h
index a932d0ac932..133d9b520cd 100644
--- a/eval/src/vespa/eval/eval/aggr.h
+++ b/eval/src/vespa/eval/eval/aggr.h
@@ -90,7 +90,7 @@ private:
     size_t _cnt;
 public:
     using value_type = T;
-    constexpr Avg() : _sum{0}, _cnt{0} {}
+    constexpr Avg() noexcept : _sum{0}, _cnt{0} {}
     constexpr Avg(T value) : _sum{value}, _cnt{1} {}
     constexpr void sample(T value) {
         _sum += value;
@@ -109,7 +109,7 @@ private:
     size_t _cnt;
 public:
     using value_type = T;
-    constexpr Count() : _cnt{0} {}
+    constexpr Count() noexcept : _cnt{0} {}
     constexpr Count(T) : _cnt{1} {}
     constexpr void sample(T) { ++_cnt; }
     constexpr void merge(const Count &rhs) { _cnt += rhs._cnt; }
@@ -122,7 +122,7 @@ private:
     T _prod;
 public:
     using value_type = T;
-    constexpr Prod() : _prod{null_value()} {}
+    constexpr Prod() noexcept : _prod{null_value()} {}
     constexpr Prod(T value) : _prod{value} {}
     constexpr void sample(T value) { _prod = combine(_prod, value); }
     constexpr void merge(const Prod &rhs) { _prod = combine(_prod, rhs._prod); }
@@ -137,7 +137,7 @@ private:
     T _sum;
 public:
     using value_type = T;
-    constexpr Sum() : _sum{null_value()} {}
+    constexpr Sum() noexcept : _sum{null_value()} {}
     constexpr Sum(T value) : _sum{value} {}
     constexpr void sample(T value) { _sum = combine(_sum, value); }
     constexpr void merge(const Sum &rhs) { _sum = combine(_sum, rhs._sum); }
@@ -152,7 +152,7 @@ private:
     T _max;
 public:
     using value_type = T;
-    constexpr Max() : _max{null_value()} {}
+    constexpr Max() noexcept : _max{null_value()} {}
     constexpr Max(T value) : _max{value} {}
     constexpr void sample(T value) { _max = combine(_max, value); }
     constexpr void merge(const Max &rhs) { _max = combine(_max, rhs._max); }
@@ -167,7 +167,7 @@ private:
     std::vector<T> _seen;
 public:
     using value_type = T;
-    constexpr Median() : _seen() {}
+    constexpr Median() noexcept : _seen() {}
     constexpr Median(T value) : _seen({value}) {}
     constexpr void sample(T value) { _seen.push_back(value); }
     constexpr void merge(const Median &rhs) {
@@ -205,7 +205,7 @@ private:
     T _min;
 public:
     using value_type = T;
-    constexpr Min() : _min{null_value()} {}
+    constexpr Min() noexcept : _min{null_value()} {}
     constexpr Min(T value) : _min{value} {}
     constexpr void sample(T value) { _min = combine(_min, value); }
     constexpr void merge(const Min &rhs) { _min = combine(_min, rhs._min); }
diff --git a/fsa/src/vespa/fsa/vectorizer.h b/fsa/src/vespa/fsa/vectorizer.h
index 3dead2faa2e..6ce94e92569 100644
--- a/fsa/src/vespa/fsa/vectorizer.h
+++ b/fsa/src/vespa/fsa/vectorizer.h
@@ -49,7 +49,7 @@ public:
     /**
      * @brief Default constructor, creates empty item with zero weight.
      */
-    VectorItem() : _term(), _weight(0.0), _hits() {}
+    VectorItem() noexcept : _term(), _weight(0.0), _hits() {}
 
     /**
      * @brief Copy constructor.
diff --git a/searchcommon/src/vespa/searchcommon/attribute/hnsw_index_params.h b/searchcommon/src/vespa/searchcommon/attribute/hnsw_index_params.h
index 77e994daa85..4f9d3c5593c 100644
--- a/searchcommon/src/vespa/searchcommon/attribute/hnsw_index_params.h
+++ b/searchcommon/src/vespa/searchcommon/attribute/hnsw_index_params.h
@@ -22,7 +22,7 @@ public:
     HnswIndexParams(uint32_t max_links_per_node_in,
                     uint32_t neighbors_to_explore_at_insert_in,
                     DistanceMetric distance_metric_in,
-                    bool multi_threaded_indexing_in = false)
+                    bool multi_threaded_indexing_in = false) noexcept
             : _max_links_per_node(max_links_per_node_in),
               _neighbors_to_explore_at_insert(neighbors_to_explore_at_insert_in),
               _distance_metric(distance_metric_in),
diff --git a/searchcore/src/vespa/searchcore/proton/matching/docid_range_scheduler.h b/searchcore/src/vespa/searchcore/proton/matching/docid_range_scheduler.h
index f51043e9960..4aa8a3f6392 100644
--- a/searchcore/src/vespa/searchcore/proton/matching/docid_range_scheduler.h
+++ b/searchcore/src/vespa/searchcore/proton/matching/docid_range_scheduler.h
@@ -174,7 +174,7 @@ private:
         std::condition_variable condition;
         bool                    is_idle;
         DocidRange              next_range;
-        Worker() : condition(), is_idle(false), next_range() {}
+        Worker() noexcept : condition(), is_idle(false), next_range() {}
     };
     DocidRangeSplitter  _splitter;
     uint32_t            _min_task;
diff --git a/searchcore/src/vespa/searchcore/proton/matching/matching_stats.h b/searchcore/src/vespa/searchcore/proton/matching/matching_stats.h
index 7cdf8991fb4..047c6fcaf13 100644
--- a/searchcore/src/vespa/searchcore/proton/matching/matching_stats.h
+++ b/searchcore/src/vespa/searchcore/proton/matching/matching_stats.h
@@ -67,7 +67,7 @@ public:
         Avg    _wait_time;
         friend MatchingStats;
     public:
-        Partition()
+        Partition() noexcept
             : _docsCovered(0),
               _docsMatched(0),
               _docsRanked(0),
diff --git a/searchlib/src/vespa/searchlib/aggregation/fs4hit.h b/searchlib/src/vespa/searchlib/aggregation/fs4hit.h
index 135bbe44887..7cb078fe7e8 100644
--- a/searchlib/src/vespa/searchlib/aggregation/fs4hit.h
+++ b/searchlib/src/vespa/searchlib/aggregation/fs4hit.h
@@ -19,7 +19,7 @@ private:
 public:
     DECLARE_IDENTIFIABLE_NS2(search, aggregation, FS4Hit);
     DECLARE_NBO_SERIALIZE;
-    FS4Hit() : Hit(), _path(0), _docId(0), _globalId(), _distributionKey(-1) {}
+    FS4Hit() noexcept : Hit(), _path(0), _docId(0), _globalId(), _distributionKey(-1) {}
     FS4Hit(DocId docId, HitRank rank)
         : Hit(rank), _path(0), _docId(docId), _globalId(), _distributionKey(-1) {}
     FS4Hit *clone() const override { return new FS4Hit(*this); }
diff --git a/searchlib/src/vespa/searchlib/common/indexmetainfo.h b/searchlib/src/vespa/searchlib/common/indexmetainfo.h
index 9b6c7c8e477..2ba8bebb698 100644
--- a/searchlib/src/vespa/searchlib/common/indexmetainfo.h
+++ b/searchlib/src/vespa/searchlib/common/indexmetainfo.h
@@ -15,7 +15,7 @@ public:
         bool        valid;
         uint64_t    syncToken;
         vespalib::string dirName;
-        Snapshot() : valid(false), syncToken(0), dirName() {}
+        Snapshot() noexcept : valid(false), syncToken(0), dirName() {}
         Snapshot(bool valid_, uint64_t syncToken_, const vespalib::string &dirName_)
             : valid(valid_), syncToken(syncToken_), dirName(dirName_) {}
         bool operator==(const Snapshot &rhs) const {
diff --git a/searchlib/src/vespa/searchlib/diskindex/field_length_scanner.h b/searchlib/src/vespa/searchlib/diskindex/field_length_scanner.h
index 181607c3fc6..1feabed1eb1 100644
--- a/searchlib/src/vespa/searchlib/diskindex/field_length_scanner.h
+++ b/searchlib/src/vespa/searchlib/diskindex/field_length_scanner.h
@@ -23,7 +23,7 @@ class FieldLengthScanner {
         static uint16_t make_element_mask(uint32_t element_id) { return (1u << element_id); }
 
     public:
-        FieldLengthEntry()
+        FieldLengthEntry() noexcept
             : _field_length(0),
               _elements(0)
         {
diff --git a/searchlib/src/vespa/searchlib/docstore/chunk.h b/searchlib/src/vespa/searchlib/docstore/chunk.h
index d40ba27ef45..1190f40aa97 100644
--- a/searchlib/src/vespa/searchlib/docstore/chunk.h
+++ b/searchlib/src/vespa/searchlib/docstore/chunk.h
@@ -47,7 +47,7 @@ private:
 
 class LidMeta {
 public:
-    LidMeta() : _lid(0), _size(0) { }
+    LidMeta() noexcept : _lid(0), _size(0) { }
     LidMeta(uint32_t lid, uint32_t sz) : _lid(lid), _size(sz) { }
     uint32_t     getLid() const { return _lid; }
     uint32_t       size() const { return _size; }
diff --git a/searchlib/src/vespa/searchlib/expression/floatbucketresultnode.h b/searchlib/src/vespa/searchlib/expression/floatbucketresultnode.h
index 080b4f0fc5c..7b89e90efe9 100644
--- a/searchlib/src/vespa/searchlib/expression/floatbucketresultnode.h
+++ b/searchlib/src/vespa/searchlib/expression/floatbucketresultnode.h
@@ -33,7 +33,7 @@ public:
 
     DECLARE_EXPRESSIONNODE(FloatBucketResultNode);
     DECLARE_NBO_SERIALIZE;
-    FloatBucketResultNode() : _from(0.0), _to(0.0) {}
+    FloatBucketResultNode() noexcept : _from(0.0), _to(0.0) {}
     FloatBucketResultNode(double from, double to) : _from(from), _to(to) {}
     size_t hash() const override;
     int onCmp(const Identifiable & b) const override;
diff --git a/searchlib/src/vespa/searchlib/expression/floatresultnode.h b/searchlib/src/vespa/searchlib/expression/floatresultnode.h
index 5bff232fe2f..c31f9a2de40 100644
--- a/searchlib/src/vespa/searchlib/expression/floatresultnode.h
+++ b/searchlib/src/vespa/searchlib/expression/floatresultnode.h
@@ -13,7 +13,7 @@ public:
     DECLARE_EXPRESSIONNODE(FloatResultNode);
     DECLARE_NBO_SERIALIZE;
     void visitMembers(vespalib::ObjectVisitor &visitor) const override;
-    FloatResultNode(double v=0) : _value(v) { }
+    FloatResultNode(double v=0) noexcept : _value(v) { }
     size_t hash() const override { size_t tmpHash(0); memcpy(&tmpHash, &_value, sizeof(tmpHash)); return tmpHash; }
     int onCmp(const Identifiable & b) const override;
     void add(const ResultNode & b) override;
diff --git a/searchlib/src/vespa/searchlib/expression/integerbucketresultnode.h b/searchlib/src/vespa/searchlib/expression/integerbucketresultnode.h
index d5a2306200c..95a4555e6e4 100644
--- a/searchlib/src/vespa/searchlib/expression/integerbucketresultnode.h
+++ b/searchlib/src/vespa/searchlib/expression/integerbucketresultnode.h
@@ -31,7 +31,7 @@ private:
 public:
     DECLARE_EXPRESSIONNODE(IntegerBucketResultNode);
     DECLARE_NBO_SERIALIZE;
-    IntegerBucketResultNode() : _from(0), _to(0) {}
+    IntegerBucketResultNode() noexcept : _from(0), _to(0) {}
     IntegerBucketResultNode(int64_t from, int64_t to) : _from(from), _to(to) {}
     size_t hash() const override;
     int onCmp(const Identifiable & b) const override;
diff --git a/searchlib/src/vespa/searchlib/expression/stringresultnode.h b/searchlib/src/vespa/searchlib/expression/stringresultnode.h
index b9d127a2e2c..79d849bdd15 100644
--- a/searchlib/src/vespa/searchlib/expression/stringresultnode.h
+++ b/searchlib/src/vespa/searchlib/expression/stringresultnode.h
@@ -12,7 +12,7 @@ public:
     DECLARE_EXPRESSIONNODE(StringResultNode);
     DECLARE_NBO_SERIALIZE;
     void visitMembers(vespalib::ObjectVisitor &visitor) const override;
-    StringResultNode(const char * v="") : _value(v) { }
+    StringResultNode(const char * v="") noexcept : _value(v) { }
     StringResultNode(vespalib::stringref v) : _value(v) { }
     size_t hash() const override;
     int onCmp(const Identifiable & b) const override;
diff --git a/searchlib/src/vespa/searchlib/features/nativefieldmatchfeature.h b/searchlib/src/vespa/searchlib/features/nativefieldmatchfeature.h
index 684857e5a7c..d9375f12d54 100644
--- a/searchlib/src/vespa/searchlib/features/nativefieldmatchfeature.h
+++ b/searchlib/src/vespa/searchlib/features/nativefieldmatchfeature.h
@@ -14,7 +14,7 @@ namespace search::features {
 struct NativeFieldMatchParam : public NativeParamBase
 {
     static const uint32_t NOT_DEF_FIELD_LENGTH;
-    NativeFieldMatchParam() : NativeParamBase(), firstOccTable(NULL), numOccTable(NULL), averageFieldLength(NOT_DEF_FIELD_LENGTH), firstOccImportance(0.5) { }
+    NativeFieldMatchParam() noexcept : NativeParamBase(), firstOccTable(NULL), numOccTable(NULL), averageFieldLength(NOT_DEF_FIELD_LENGTH), firstOccImportance(0.5) { }
     const fef::Table * firstOccTable;
     const fef::Table * numOccTable;
     uint32_t averageFieldLength;
diff --git a/searchlib/src/vespa/searchlib/features/nativeproximityfeature.h b/searchlib/src/vespa/searchlib/features/nativeproximityfeature.h
index 0c61ddf9bae..e40779dae14 100644
--- a/searchlib/src/vespa/searchlib/features/nativeproximityfeature.h
+++ b/searchlib/src/vespa/searchlib/features/nativeproximityfeature.h
@@ -13,7 +13,7 @@ namespace search::features {
  **/
 struct NativeProximityParam : public NativeParamBase
 {
-    NativeProximityParam() : NativeParamBase(), proximityTable(NULL), revProximityTable(NULL), proximityImportance(0.5) { }
+    NativeProximityParam() noexcept : NativeParamBase(), proximityTable(NULL), revProximityTable(NULL), proximityImportance(0.5) { }
     const fef::Table * proximityTable;
     const fef::Table * revProximityTable;
     feature_t proximityImportance;
diff --git a/searchlib/src/vespa/searchlib/fef/test/ftlib.h b/searchlib/src/vespa/searchlib/fef/test/ftlib.h
index 437f2d330ec..d4a18fcd40e 100644
--- a/searchlib/src/vespa/searchlib/fef/test/ftlib.h
+++ b/searchlib/src/vespa/searchlib/fef/test/ftlib.h
@@ -127,7 +127,7 @@ private:
 struct FtQueryTerm {
     FtQueryTerm(const vespalib::string t, uint32_t tw = 100, feature_t co = 0.1f, feature_t si = 0.1f) :
         term(t), termWeight(tw), connexity(co), significance(si) {}
-    FtQueryTerm() : term(), termWeight(100), connexity(0.1f), significance(0.1f) {}
+    FtQueryTerm() noexcept : term(), termWeight(100), connexity(0.1f), significance(0.1f) {}
     vespalib::string term;
     search::query::Weight termWeight;
     feature_t connexity;
diff --git a/searchlib/src/vespa/searchlib/grouping/collect.h b/searchlib/src/vespa/searchlib/grouping/collect.h
index 6d899723f1a..55b5ea3ddd4 100644
--- a/searchlib/src/vespa/searchlib/grouping/collect.h
+++ b/searchlib/src/vespa/searchlib/grouping/collect.h
@@ -90,7 +90,7 @@ private:
     typedef vespalib::Array<ResultAccessor> ResultAccessorList;
     class SortInfo {
     public:
-        SortInfo() : _index(0), _sign(1) { }
+        SortInfo() noexcept : _index(0), _sign(1) { }
         SortInfo(uint8_t index, int8_t sign) : _index(index), _sign(sign) { }
         uint8_t getIndex() const { return _index; }
         int8_t   getSign() const { return _sign; }
diff --git a/searchlib/src/vespa/searchlib/grouping/groupref.h b/searchlib/src/vespa/searchlib/grouping/groupref.h
index 49e56ed5bed..78331e4caaf 100644
--- a/searchlib/src/vespa/searchlib/grouping/groupref.h
+++ b/searchlib/src/vespa/searchlib/grouping/groupref.h
@@ -9,7 +9,7 @@ namespace grouping {
 class GroupRef
 {
 public:
-    GroupRef() : _ref(-1) { }
+    GroupRef() noexcept : _ref(-1) { }
     GroupRef(uint32_t ref) : _ref(ref) { }
     uint32_t getRef() const { return _ref; }
     bool valid() const { return _ref != static_cast<uint32_t>(-1); }
diff --git a/searchlib/src/vespa/searchlib/index/bitvectorkeys.h b/searchlib/src/vespa/searchlib/index/bitvectorkeys.h
index cacb0f59721..332b0ed3524 100644
--- a/searchlib/src/vespa/searchlib/index/bitvectorkeys.h
+++ b/searchlib/src/vespa/searchlib/index/bitvectorkeys.h
@@ -9,7 +9,7 @@ struct BitVectorWordSingleKey {
     uint32_t _numDocs;
     uint32_t _pad;
 
-    BitVectorWordSingleKey()
+    BitVectorWordSingleKey() noexcept
         : _wordNum(0),
           _numDocs(0),
           _pad(0)
diff --git a/searchlib/src/vespa/searchlib/query/streaming/queryterm.h b/searchlib/src/vespa/searchlib/query/streaming/queryterm.h
index 6a64aa561e4..d160db9784e 100644
--- a/searchlib/src/vespa/searchlib/query/streaming/queryterm.h
+++ b/searchlib/src/vespa/searchlib/query/streaming/queryterm.h
@@ -39,7 +39,7 @@ public:
     };
     class FieldInfo {
     public:
-        FieldInfo() : _hitListOffset(0), _hitCount(0), _fieldLength(0) { }
+        FieldInfo() noexcept : _hitListOffset(0), _hitCount(0), _fieldLength(0) { }
         FieldInfo(uint32_t hitListOffset, uint32_t hitCount, uint32_t fieldLength) :
             _hitListOffset(hitListOffset), _hitCount(hitCount), _fieldLength(fieldLength) { }
         size_t getHitOffset()     const { return _hitListOffset; }
diff --git a/staging_vespalib/src/vespa/vespalib/util/jsonstream.h b/staging_vespalib/src/vespa/vespalib/util/jsonstream.h
index fc2ae61b37e..d60151f0478 100644
--- a/staging_vespalib/src/vespa/vespalib/util/jsonstream.h
+++ b/staging_vespalib/src/vespa/vespalib/util/jsonstream.h
@@ -44,7 +44,7 @@ class JsonStream : public JsonStreamTypes {
         string object_key;
         size_t array_index;
 
-        StateEntry()
+        StateEntry() noexcept
             : state(State::ROOT), object_key(""), array_index(size_t(0)) {}
         StateEntry(State s)
             : state(s), object_key(""), array_index(size_t(0)) {}
diff --git a/vdslib/src/vespa/vdslib/container/documentsummary.h b/vdslib/src/vespa/vdslib/container/documentsummary.h
index 2c23e51319b..bbfeb684559 100644
--- a/vdslib/src/vespa/vdslib/container/documentsummary.h
+++ b/vdslib/src/vespa/vdslib/container/documentsummary.h
@@ -35,7 +35,7 @@ public:
 private:
     class Summary {
     public:
-        Summary() : _docIdOffset(0), _summaryOffset(0), _summaryLen(0) { }
+        Summary() noexcept : _docIdOffset(0), _summaryOffset(0), _summaryLen(0) { }
         Summary(uint32_t docIdOffset, uint32_t summaryOffset, uint32_t summaryLen) : _docIdOffset(docIdOffset), _summaryOffset(summaryOffset), _summaryLen(summaryLen) { }
         const char * getDocId(const char * base)                const { return base + _docIdOffset; }
         const void * getSummary(const char * base, size_t & sz) const { sz = _summaryLen; return base + _summaryOffset; }
diff --git a/vdslib/src/vespa/vdslib/container/searchresult.h b/vdslib/src/vespa/vdslib/container/searchresult.h
index 6b6e0aaae12..a777a4731e6 100644
--- a/vdslib/src/vespa/vdslib/container/searchresult.h
+++ b/vdslib/src/vespa/vdslib/container/searchresult.h
@@ -82,7 +82,7 @@ public:
 private:
     class Hit {
     public:
-        Hit() : _lid(0), _rank(0), _docIdOffset(0), _index(0) { }
+        Hit() noexcept : _lid(0), _rank(0), _docIdOffset(0), _index(0) { }
         Hit(uint32_t lid, RankType rank, size_t docIdOffset, size_t index) : _lid(lid), _rank(rank), _docIdOffset(docIdOffset), _index(index) { }
         const char * getDocId(const char * base) const { return base + getDocIdOffset(); }
         uint32_t getLid()                        const { return _lid; }
diff --git a/vdslib/src/vespa/vdslib/distribution/redundancygroupdistribution.h b/vdslib/src/vespa/vdslib/distribution/redundancygroupdistribution.h
index c7b1a3a05f7..dad7933ed2c 100644
--- a/vdslib/src/vespa/vdslib/distribution/redundancygroupdistribution.h
+++ b/vdslib/src/vespa/vdslib/distribution/redundancygroupdistribution.h
@@ -17,7 +17,7 @@ class RedundancyGroupDistribution : public document::Printable {
     std::vector<uint16_t> _values;
 
 public:
-    RedundancyGroupDistribution() {}
+    RedundancyGroupDistribution() noexcept {}
     /**
      * Create a group distribution spec from the serialized version.
      * Asterisk entries are represented as zero.
diff --git a/vespalib/src/tests/dotproduct/dotproductbenchmark.cpp b/vespalib/src/tests/dotproduct/dotproductbenchmark.cpp
index 77bdbf6f58b..51380028ffa 100644
--- a/vespalib/src/tests/dotproduct/dotproductbenchmark.cpp
+++ b/vespalib/src/tests/dotproduct/dotproductbenchmark.cpp
@@ -83,7 +83,7 @@ public:
     ~SparseBenchmark();
 protected:
     struct P {
-        P(uint32_t key=0, int32_t value=0) :
+        P(uint32_t key=0, int32_t value=0) noexcept :
             _key(key),
             _value(value)
         { }
diff --git a/vespalib/src/tests/simple_thread_bundle/simple_thread_bundle_test.cpp b/vespalib/src/tests/simple_thread_bundle/simple_thread_bundle_test.cpp
index b808635a8cc..8d5d393fe22 100644
--- a/vespalib/src/tests/simple_thread_bundle/simple_thread_bundle_test.cpp
+++ b/vespalib/src/tests/simple_thread_bundle/simple_thread_bundle_test.cpp
@@ -10,7 +10,7 @@ using namespace vespalib::fixed_thread_bundle;
 
 struct Cnt : Runnable {
     size_t x;
-    Cnt() : x(0) {}
+    Cnt() noexcept : x(0) {}
     void run() override { ++x; }
 };
 
diff --git a/vespalib/src/tests/simple_thread_bundle/threading_speed_test.cpp b/vespalib/src/tests/simple_thread_bundle/threading_speed_test.cpp
index 13b0d003909..eb82425c819 100644
--- a/vespalib/src/tests/simple_thread_bundle/threading_speed_test.cpp
+++ b/vespalib/src/tests/simple_thread_bundle/threading_speed_test.cpp
@@ -19,7 +19,7 @@ struct Worker : Runnable {
     size_t iter;
     uint64_t input;
     uint64_t output;
-    Worker() : iter(1), input(0), output(0) {}
+    Worker() noexcept : iter(1), input(0), output(0) {}
     void init(size_t n, uint64_t i) {
         iter = n;
         input = i;